The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 26, 2019
Filed:
Jul. 15, 2016
Applicant:
Weatherford Technology Holdings, Llc, Houston, TX (US);
Inventors:
Robert G. McDonald, Conroe, TX (US);
Ross E. Moffett, Oklahoma City, OK (US);
Jeffrey John Lembcke, Cypress, TX (US);
Clark E. Robison, Tomball, TX (US);
Assignee:
WEATHERFORD TECHNOLOGY HOLDINGS, LLC, Houston, TX (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21B 47/00 (2012.01); E21B 33/03 (2006.01); E21B 43/12 (2006.01);
U.S. Cl.
CPC ...
E21B 47/0008 (2013.01); E21B 33/03 (2013.01); E21B 43/127 (2013.01);
Abstract
A method for operating rod pumping unit for a wellbore includes measuring a parameter of the rod pumping unit at a first location; measuring the parameter of the rod pumping unit at a second location; and subtracting the measured parameters at the second location from the measured parameter at the first location.